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(No Model.)

3 Sheets-Sheet 1. D. E. POWERS.

Tube Machine.

No. 240,540. Patented April 2 ,1881.

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(No Model.)

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N.PETEns. PKOTGLITNOGRAPHER, WASHINGTON, D C.

(NoiModeL) D. ELBOWERS.

Tube Machine.

No. 240,540. PatentedApril 26,4881.

NPETERS, PWWOLITHOGRAPHER. WASHINGTON. D. C,

' BSheets-Sheet 3.

- per Tubes for Cartridge-Shells and other Purlowing is a full, clear, and exact description ducin g and polishing paper tubes for'cartridgebelts and pulleys.

. UNITED STATES PATENT OFFICE.

DANIEL n. POWERS, OF NEW YORK, ASSIGNOR TO s. W. WOOD, OF, CORNWALL, N. Y.

TUBE-MACHINE.

SPECIFICATION forming part of Letters Patent No. 240,540, dated April 26, 1881.

' Application filed February 21, 1881. (No model.)

To all whom it may concern I 1 Be it known that I, DANIEL E. PowERs, of the city, county, and State of New York, have invented certain new and useful Improvements in Machines for Reducing and Polishing Paposes; and I do hereby declare that the fol-.

thereof, reference being had to the accompanying drawings, making part of this specification. I

The nature of my invention consists in so constructing and arranging a machine for recases and other purposes as to produce an intermittent forward and back movement to carry the tube forward into a reducing and polishing die and to stop on its return movement to receive a new tube to be reduced and polished; and in passing the reduced and polished tubes one after another, consecutively, through the reducing and polishing die, the reduced-and polished tube being forced out in reducing and polishing the next succeeding tube; and, also, in so constructing and arrangin g the driving mechanism of this machine that it may be instantly changed, so as to reverse thedirection of the movement of the polishing and reducing mandrel, or to stop it at any point desired without stopping the driving Figure 1 represents a plan of the machine in position to raise the mandrel to receive a tube to be reduced and polished Fig. 2, side elevation thereof, showing the mechanism by which these intermittent forward and back movenients are obtained; Fig. 3, detached view of the mechanism by which the reducing and polishing mandrel is stopped and started; Fig. 4, detached view of the mechanism for starting and reversing the movement of the carriage carrying the reducing and polishing mandrel Fig. 5, detached viewof the chuck which receives and carries the reducing and polishing die, representing its construction.

A'in the accompanying drawings represents the frame of the machine, upon which the several operating parts are mounted.

B is the driving-pulley, upon whose shaft is secured the chuck U, which holds and carries the reducing and polishing die D. Upon the 1 ways held in gear.

ways E is placed a reciprocating carriage, F,

to which is secured and moving therewith back and forth the reducing and polishing mandrel G, upon which the paper tubes to be reduced and polished are placed. At its extreme backward movement, and when the carriage F is at rest, the mandrel Gr is raised to a perpendicular position, as represented in dotted lines, Fig. 2, and a tube to be reduced and polished is placed thereon and the mandrel returned to its horizontal position, Fig. 1.

To obtain the requisite forward and back or intermittent movement of the carriage F and mandrel Gr with its tube to be reduced and polished, a peculiarly-constructed gear-wheel, H, is provided, which has two rows of cogs facing each other, and which are connected attwo opposite ends in a semicircle, J, thus really forming one continuous cog-wheel. To this wheel is fitted a pinion, K, held in position in a sliding box, L, bolted to the lower edge of the frame A. The shaft M of this pinion projects inwardly 7 into a groove, N, formed in the face of the gear-wheel H, which grooves are concentric with the cogs I, so that the pinion K and cogs of the wheel H are alpinion K is set in motion by means of the driving-pulley O, the inner end of its shaft M moves in the groove N, and travels from its position of rest, as in Fig. 2, around the outer sect-ion of the cogs I, and, passing around the circular end J, returns on the innersection of cogs and stops at its place of starting, Fig. 2.

0n the shaft R of the reciprocating cogwheel are placed two cog-wheels, V, which take into intermediate wheels, S, securedito the out- See Fi 2. Then the e side of the frame A, which intermediate wheels take into corresponding racks, W, secured to the lower sides of the carriage F. Thus from this reciprocating cog-wheel H is obtained the required reciprocating or back-and-forth movement of the carriage F and mandrelG, attached thereto, in reducing and polishing tubes.

To automatically stop the carriage F at its extreme backward movement, in order to place a newtube upon the mandrel to be polished and reduced, an ordinary clutch, X, is placed upon the shaft M of the cog-wheel K, as represented in Fig. 1, and detached view, Fig. 3. Extending from this clutch Xis an operatinglever, a, supported, by pivots b, on the frame A, one' end of which lever is forked and embraces and operates theclutch X, and 011 the opposite end is an inclined plane, 0, which serves to disengage the clutch when the carriage F shall have reached its extreme backward movement, to stop it.

To the lower side of the carriage F is arranged a latch, d, which, together with the inclined plane 0, serves to engage and disengage the clutch X, which clutch governs the movements of the carriage. To engage the clutch X the handle 0 of the latch is raised, which permits the inclined plane 0 of the lever, by means of a spring, f, to move sidewise beneath the end of the latch d, and the forked end thereof to operate the clutch X to start the carriage in its forward movement, and to disengage the clutch, in order to stop the carriage at the proper point in its backward movement, the latch traverses the inclined plane 0, thereby swingingthelever on its pivots, disengaging the clutch, and bringing the carriage to a stop,

as in Fig. 1.

In order that the tubes being reduced and polished may pass through the dieD consecutively one after another, a yielding support, 9, is arranged at the rear end of the mandrel G, which consistsof a yoke, g, sliding upon the mandrel G, and latches h h, secured to the hub thereof. This yoke g is thrown forward, as represented in Fig. 1, by means of a spring, t', and when the pressure from the end of the tube being reduced and polished overcomes the spring and forces it back its ends 1 rest upon shoulders formed on the inside of the hinged latches h, thus forming a rigid support to the yoke to carry the tube forward through the die D until it is reduced nearly its entire length, when at the proper instant the pins t, projecting downward from the lower sides of the latches h, engage with the two beveled studs 20, thereby forcing the latches apart, re-

leasing the ends'of the yoke, thereby permitting the carriage to continue to move forward until the face of the yoke is broughtin contact with the face of the chuck-box to, which forces the yoke still farther back, so that the end of the tube passes entirely through the die, and in the backward movement of the carriage, which takes place at this point, the die strips the reduced and polished tube off the mandrel, leaving it in the hollow shaft of the driving-pulley, and in the next forward movement of the mandrel the reduced and polished tube is pushed out of the hollow shaft of the driving-pulley and the next succeeding tube left therein, and so on.

When the tube to be polished and reduced in diameter is placed on the mandrel its end rests against and is supported by the face of the yoke, which forces itinto and through the revolving die, and when the tube shall have been polished and reduced nearly its entire length, and the yoke liberated and forced back to permit of a still further movement forward of the mandrel, the friction of the reduced tube upon the mandrel is quite sufieient to retain the tube in position thereon to complete the polishing and reducing of the remain in g end thereof.

The particular construction of the reducing and polishing dieis represented in Fig. 6. The front side of this die is flaring or bell-shaped, in order to admit the mandrel and tube thereon freely. The rear side presents a sharp shoulder or edge, so that when the mandrel shall have carried the tube entirely through the die this shoulder or edge will prevent the tube passing back with the return movement of the mandrel, and is drawn off the mandrel by the shoulder of the die and left in the hollow shaft, as hereinbefore described.

The arrangement of the beveled cog-wheels 1 2 3 with a double clutch, 4, is for the purpose of obtaining a continuous intermittent forward and back movement of the carriage F and mandrel G, attached thereto, to stop the forward movement of the carriage at any in" termediate point by disengaging the clutch, as represented in Fig. 1, whenever it may be necessary to remove a defective tube from the I mandrel, or to return the carriage to its starting-point, or to allow the carriage and mandrel to remain at rest without shifting the belts on the driving-pulley.

It will be observed that the driving-pulley 0 is firmly secured to the shaft 5, and that the two intermediate bevel-wheels, 2 3, are loose upon the same shaft, so that when the clutch 4 is disengaged from the correspondingclutches secured to the inner faces of the bevel-wheels 2 3 the carriage F and its mandrel G remains at rest; .but when the double-faced clutch is engaged with either the one or the other of the clutches on the faces of the intermediate bevel-wheels the carriage is either driven forward or back, as the case may be. Thus if the clutch 4 is engaged with the clutch 6 on the bevel-wheel 2 the carriage will be driven forward. If changed at anypoint before the carriage shall have reached its extreme forward movement and engaged with the clutch IIO on the face of the opposite wheel, 3, the direction of the main bevel-wheel 1 will be instantly reversed and the carriage moved in the opposite direction, or backward; or if the clutch 4 be disengaged from both the clutches on the bevel-wheels 2 3, then the entire machine will remain idle, and only the driving-pulleys O B continue in motion.

When the machine is in position with a tube upon the mandrel and the carriage in readiness to move forward, the pinion is in gear with the outer section of cogs of the wheel H, and continues to traverse this outer section until it reaches the semicircular end thereof, when it is permitted to turn this semicircular end and return to its place of starting by means of the sliding journal-box L, which moves the distance required to allow the pinion to remain in gear, so as to traverse the inner and shorter section of cogs on the wheel H. By this arrangement it will be observed that when the tube is being reduced and polished the carriage moves forward at a comparatively slow rate of speed, but on its return movementis much accelerated by the driving-pinion traversing the inner and shorter section of cogs, which are on a much smaller circle. By accelerating the return movement of the carriage and its mandrel the production of work of the machine is materially increased.

To recapitulate the operation of this machine briefly, it may be remarked that the operative first places the tube upon the mandrel, and by lifting the handle the latch attached thereto is raised, the shifting-lever liberated and moved sidewise by means of the sprin g f, the clutch Xis engaged, and the carriage with its mandrel and tube thereon commences to move forward and continues to move forward until the pinion K shall have reached and passed around the semicircular end of the cog-wheel H, at which period, thepinion Khavingreached the inner section of the cog-wheel, the accelerated movement in returning commences, the mandrel leaving its finished tube in the hollow shaft of the driving-pulley B, and the latch 61 traversing the inclined plane 0 on the shifting-lever a, the clutch X is uncoupled, the carriage F stopped, and all the parts are in the same position as when starting and in readiness to repeat the operation.

Having thus fully described my improvements in machinery for reducing and polishing paper tubes for cartridges and other purposes, what I claim therein as new, and desire to secure by Letters Patent, is-

1. In a paper-tube machine, the combination of a revolving, polishing, andreducing die, a

reciprocating carriage carrying a mandrel arranged to enter said die, and suitable reversing mechanism, substantially as described, for reversing the movements of the carriage and mandrel on reaching the limit of its forward movement, substantially as described.

2. In a] paper-tube machine, the combination of a revolving, polishing, and reducing die, a reciprocating carriage and mandrel arranged to enter said die, a movable shoulder on said mandrel to support the tube during the greater part of the forward movement of the mandrel, spring jaws or latches to hold the movable shoulder, fixed studs for releasing the latches before the completion of the stroke, and shoulders'in the die, to engage the end of the tube when so fed forward and retain it on the withdrawal of the mandrel, substantially as herein set forth.

3. The combination of shaft M, the drivingshaft and intermediate gearing, the double or reversible cog-wheel H, the pinion Kon shaft M, the reciprocating carriage F, provided with a latch, d, intermediate gearing between wheel H and the carriage for moving the latter, and i a shifting-lever, a, pivoted in a standard on the frame of the machine and provided at its rear end with the incline 0, and itsfront end engaging with and operatinga clutch on the shaft M, whereby on the backward movement of the carriage the leveris deflected, the clutch thrown out of engagement, and the carriage stopped, substantially as herein set forth.

DANIEL E. POWERS. Witnesses:

HJWIDMAYER,

JAMES PATTON. 

